NVE´s mandate is to ensure an integrated and environmentally sound management of the country´s water resources, promote efficient energy markets and cost-effective energy systems and contribute to efficient energy use.The directorate plays a central role in the national flood contingency planning and bears overall responsibility for maintaining national power supplies. From 2009 NVE is assigned greater responsibility for the prevention of damage caused by landslides.NVE is involved in research and development in its fields and is the national center of expertise for hydrology in Norway.